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Credit: AFP/Getty Images

TO GO WITH AFP STORY BY CAMILLE BAS-WOHLERT
Bjorn Kristian Ulvaeus, a former member of the Swedish music group ABBA, attends a press conference on October 3, 2012 in Stockholm about the new ABBA Museum, set to open next year in Stockholm. ABBA's collected works will be showcased in a contemporary, interactive setting at Swedish Hall of Fame, a new exhibit venue located at Djurgarden, Stockholm. AFP PHOTO/JONATHAN NACKSTRAND (Photo credit should read JONATHAN NACKSTRAND/AFP/GettyImages)